- 14 Jun, 2014 3 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpioLinus Torvalds authored
Pull GPIO fix from Linus Walleij: "A first GPIO fix for the v3.16 series, this was serious since it blocks the OMAP boot. Sending you this vital fix before leaving for a short vacation so it does not sit collecting dust in my tree for no good reason. Apart from this, our v3.16 cycle looks like a good start" * tag 'gpio-v3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpio: of: Fix handling for deferred probe for -gpio suffix
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 vdso fixes from Peter Anvin: "Fixes for x86/vdso. One is a simple build fix for bigendian hosts, one is to make "make vdso_install" work again, and the rest is about working around a bug in Google's Go language -- two are documentation patches that improves the sample code that the Go coders took, modified, and broke; the other two implements a workaround that keeps existing Go binaries from segfaulting at least" * 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/vdso: Fix vdso_install x86/vdso: Hack to keep 64-bit Go programs working x86/vdso: Add PUT_LE to store little-endian values x86/vdso/doc: Make vDSO examples more portable x86/vdso/doc: Rename vdso_test.c to vdso_standalone_test_x86.c x86, vdso: Remove one final use of htole16()
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-stagingLinus Torvalds authored
Pull hwmon updates from Guenter Roeck: - new driver for Sensirion SHTC1 humidity / temperature sensor - convert ltc4151 and vexpress drivers to use devm functions - drop generic chip detection from lm85 driver - avoid forward declarations in atxp1 driver - fix sign extensions in ina2xx driver * tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: vexpress: Use devm helper for hwmon device registration hwmon: (atxp1) Avoid forward declaration hwmon: add support for Sensirion SHTC1 sensor hwmon: (ltc4151) Convert to devm_hwmon_device_register_with_groups hwmon: (lm85) Drop generic detection hwmon: (ina2xx) Cast to s16 on shunt and current regs
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- 13 Jun, 2014 23 commits
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Andy Lutomirski authored
"make vdso_install" installs unstripped versions of the vdso objects for the benefit of the debugger. This was broken by checkin: 6f121e54 x86, vdso: Reimplement vdso.so preparation in build-time C The filenames are different now, so update the Makefile to cope. This still installs the 64-bit vdso as vdso64.so. We believe this will be okay, as the only known user is a patched gdb which is known to use build-ids, but if it turns out to be a problem we may have to add a link. Inspired by a patch from Sam Ravnborg. Acked-by:
Sam Ravnborg <sam@ravnborg.org> Reported-by:
Josh Boyer <jwboyer@fedoraproject.org> Tested-by:
Josh Boyer <jwboyer@fedoraproject.org> Signed-off-by:
Andy Lutomirski <luto@amacapital.net> Link: http://lkml.kernel.org/r/b10299edd8ba98d17e07dafcd895b8ecf4d99eff.1402586707.git.luto@amacapital.netSigned-off-by:
H. Peter Anvin <hpa@zytor.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/soundLinus Torvalds authored
Pull sound fixes from Takashi Iwai: "Most of changes are small and easy cleanup or fixes: - a few HD-audio Realtek codec fixes and quirks - Intel HDMI audio fixes for Broadwell and Haswell / ValleyView - FireWire sound stack cleanups - a couple of sequencer core fixes - compress ABI fix for 64bit - conversion to modern ktime*() API" * tag 'sound-fix-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (23 commits) ALSA: hda/realtek - Add more entry for enable HP mute led ALSA: hda - Add quirk for external mic on Lifebook U904 ALSA: hda - fix a fixup value for codec alc293 in the pin_quirk table ALSA: intel8x0: Use ktime and ktime_get() ALSA: core: Use ktime_get_ts() ALSA: hda - verify pin:converter connection on unsol event for HSW and VLV ALSA: compress: Cancel the optimization of compiler and fix the size of struct for all platform. ALSA: hda - Add quirk for ABit AA8XE Revert "ALSA: hda - mask buggy stream DMA0 for Broadwell display controller" ALSA: hda - using POS_FIX_LPIB on Broadwell HDMI Audio ALSA: hda/realtek - Add support of ALC667 codec ALSA: hda/realtek - Add more codec rename ALSA: hda/realtek - New vendor ID for ALC233 ALSA: hda - add two new pin tables ALSA: hda/realtek - Add support of ALC891 codec ALSA: seq: Continue broadcasting events to ports if one of them fails ALSA: bebob: Remove unused function prototype ALSA: fireworks: Remove meaningless mutex_destroy() ALSA: fireworks: Remove a constant over width to which it's applied ALSA: fireworks: Improve comments about Fireworks transaction ...
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git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlmLinus Torvalds authored
Pull dlm fix from David Teigland: "This contains one small fix related to resending SCTP messages" * tag 'dlm-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm: dlm: keep listening connection alive with sctp mode
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git://git.kernel.org/pub/scm/linux/kernel/git/sergeh/linux-securityLinus Torvalds authored
Pull more security layer updates from Serge Hallyn: "A few more commits had previously failed to make it through security-next into linux-next but this week made it into linux-next. At least commit "ima: introduce ima_kernel_read()" was deemed critical by Mimi to make this merge window. This is a temporary tree just for this request. Mimi has pointed me to some previous threads about keeping maintainer trees at the previous release, which I'll certainly do for anything long-term, after talking with James" * 'serge-next-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sergeh/linux-security: ima: introduce ima_kernel_read() evm: prohibit userspace writing 'security.evm' HMAC value ima: check inode integrity cache in violation check ima: prevent unnecessary policy checking evm: provide option to protect additional SMACK xattrs evm: replace HMAC version with attribute mask ima: prevent new digsig xattr from being replaced
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Kailang Yang authored
More HP machine need mute led support. Signed-off-by:
Kailang Yang <kailang@realtek.com> Cc: <stable@vger.kernel.org> Signed-off-by:
Takashi Iwai <tiwai@suse.de>
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David Henningsson authored
According to the bug reporter (Данило Шеган), the external mic starts to work and has proper jack detection if only pin 0x19 is marked properly as an external headset mic. AlsaInfo at https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1328587/+attachment/4128991/+files/AlsaInfo.txt Cc: stable@vger.kernel.org BugLink: https://bugs.launchpad.net/bugs/1328587Signed-off-by:
David Henningsson <david.henningsson@canonical.com> Signed-off-by:
Takashi Iwai <tiwai@suse.de>
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Hui Wang authored
The fixup value for codec alc293 was set to ALC269_FIXUP_DELL1_MIC_NO_PRESENCE by a mistake, if we don't fix it, the Dock mic will be overwriten by the headset mic, this will make the Dock mic can't work. Cc: David Henningsson <david.henningsson@canonical.com> Signed-off-by:
Hui Wang <hui.wang@canonical.com> Signed-off-by:
Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-clientLinus Torvalds authored
Pull Ceph updates from Sage Weil: "This has a mix of bug fixes and cleanups. Alex's patch fixes a rare race in RBD. Ilya's patches fix an ENOENT check when a second rbd image is mapped and a couple memory leaks. Zheng fixes several issues with fragmented directories and multiple MDSs. Josh fixes a spin/sleep issue, and Josh and Guangliang's patches fix setting and unsetting RBD images read-only. Naturally there are several other cleanups mixed in for good measure" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (23 commits) rbd: only set disk to read-only once rbd: move calls that may sleep out of spin lock range rbd: add ioctl for rbd ceph: use truncate_pagecache() instead of truncate_inode_pages() ceph: include time stamp in every MDS request rbd: fix ida/idr memory leak rbd: use reference counts for image requests rbd: fix osd_request memory leak in __rbd_dev_header_watch_sync() rbd: make sure we have latest osdmap on 'rbd map' libceph: add ceph_monc_wait_osdmap() libceph: mon_get_version request infrastructure libceph: recognize poolop requests in debugfs ceph: refactor readpage_nounlock() to make the logic clearer mds: check cap ID when handling cap export message ceph: remember subtree root dirfrag's auth MDS ceph: introduce ceph_fill_fragtree() ceph: handle cap import atomically ceph: pre-allocate ceph_cap struct for ceph_add_cap() ceph: update inode fields according to issued caps rbd: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO ...
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediaLinus Torvalds authored
Pull OMAP3 updates from Mauro Carvalho Chehab: "Some driver improvements on OMAP3. This series depend on some iommu patches already merged" * 'topic/omap3isp' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (26 commits) [media] omap3isp: Rename isp_buffer isp_addr field to dma [media] omap3isp: Move to videobuf2 [media] v4l: vb2: Add a function to discard all DONE buffers [media] omap3isp: Cancel all queued buffers when stopping the video stream [media] omap3isp: Move buffer irqlist to isp_buffer structure [media] omap3isp: Move queue irqlock to isp_video structure [media] omap3isp: Move queue mutex to isp_video structure [media] omap3isp: queue: Don't build scatterlist for kernel buffer [media] omap3isp: Use the ARM DMA IOMMU-aware operations [media] omap3isp: queue: Use sg_alloc_table_from_pages() [media] omap3isp: queue: Map PFNMAP buffers to device [media] omap3isp: queue: Fix the dma_map_sg() return value check [media] omap3isp: queue: Allocate kernel buffers with dma_alloc_coherent [media] omap3isp: queue: Inline the ispmmu_v(un)map functions [media] omap3isp: queue: Merge the prepare and sglist functions [media] omap3isp: queue: Use sg_table structure [media] omap3isp: queue: Move IOMMU handling code to the queue [media] omap3isp: video: Set the buffer bytesused field at completion time [media] omap3isp: ccdc: Use the DMA API for FPC [media] omap3isp: ccdc: Use the DMA API for LSC ...
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git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pendingLinus Torvalds authored
Pull SCSI target updates from Nicholas Bellinger: "The highlights this round include: - Add support for T10 PI pass-through between vhost-scsi + virtio-scsi (MST + Paolo + MKP + nab) - Add support for T10 PI in qla2xxx target mode (Quinn + MKP + hch + nab, merged through scsi.git) - Add support for percpu-ida pre-allocation in qla2xxx target code (Quinn + nab) - A number of iser-target fixes related to hardening the network portal shutdown path (Sagi + Slava) - Fix response length residual handling for a number of control CDBs (Roland + Christophe V.) - Various iscsi RFC conformance fixes in the CHAP authentication path (Tejas and Calsoft folks + nab) - Return TASK_SET_FULL status for tcm_fc(FCoE) DataIn + Response failures (Vasu + Jun + nab) - Fix long-standing ABORT_TASK + session reset hang (nab) - Convert iser-initiator + iser-target to include T10 bytes into EDTL (Sagi + Or + MKP + Mike Christie) - Fix NULL pointer dereference regression related to XCOPY introduced in v3.15 + CC'ed to v3.12.y (nab)" * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (34 commits) target: Fix NULL pointer dereference for XCOPY in target_put_sess_cmd vhost-scsi: Include prot_bytes into expected data transfer length TARGET/sbc,loopback: Adjust command data length in case pi exists on the wire libiscsi, iser: Adjust data_length to include protection information scsi_cmnd: Introduce scsi_transfer_length helper target: Report correct response length for some commands target/sbc: Check that the LBA and number of blocks are correct in VERIFY target/sbc: Remove sbc_check_valid_sectors() Target/iscsi: Fix sendtargets response pdu for iser transport Target/iser: Fix a wrong dereference in case discovery session is over iser iscsi-target: Fix ABORT_TASK + connection reset iscsi_queue_req memory leak target: Use complete_all for se_cmd->t_transport_stop_comp target: Set CMD_T_ACTIVE bit for Task Management Requests target: cleanup some boolean tests target/spc: Simplify INQUIRY EVPD=0x80 tcm_fc: Generate TASK_SET_FULL status for response failures tcm_fc: Generate TASK_SET_FULL status for DataIN failures iscsi-target: Reject mutual authentication with reflected CHAP_C iscsi-target: Remove no-op from iscsit_tpg_del_portal_group iscsi-target: Fix CHAP_A parameter list handling ...
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuildLinus Torvalds authored
Pull kbuild misc updates from Michal Marek: "This is the non-critical part of kbuild for v3.16-rc1: - make deb-pkg can do s390x and arm64 - new patterns in scripts/tags.sh - scripts/tags.sh skips userspace tools' sources (which sometimes have copies of kernel structures) and symlinks - improvements to the objdiff tool - two new coccinelle patches - other minor fixes" * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: scripts: objdiff: support directories for the augument of record command scripts: objdiff: fix a comment scripts: objdiff: change the extension of disassembly from .o to .dis scripts: objdiff: improve path flexibility for record command scripts: objdiff: remove unnecessary code scripts: objdiff: direct error messages to stderr scripts: objdiff: get the path to .tmp_objdiff more simply deb-pkg: Add automatic support for s390x architecture coccicheck: Add unneeded return variable test kbuild: Fix a typo in documentation kbuild: trivial - use tabs for code indent where possible kbuild: trivial - remove trailing empty lines coccinelle: Check for missing NULL terminators in of_device_id tables scripts/tags.sh: ignore symlink'ed source files scripts/tags.sh: add regular expression replacement pattern for memcg builddeb: add arm64 in the supported architectures builddeb: use $OBJCOPY variable instead of objcopy scripts/tags.sh: ignore code of user space tools scripts/tags.sh: add pattern for DEFINE_HASHTABLE .gitignore: ignore Module.symvers in all directories
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuildLinus Torvalds authored
Pull kbuild updates from Michal Marek: "Kbuild changes for v3.16-rc1: - cross-compilation fix so that cc-option is testing the right compiler - Fix for make defconfig all - Using relative paths to the object and source directory where possible, plus fixes for the fallout of the change - several cleanups in the Makefiles and scripts The powerpc fix is from today, because it was only discovered recently. The rest has been in linux-next for some time" * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: powerpc: Avoid circular dependency with zImage.% kbuild: create include/config directory in scripts/kconfig/Makefile kbuild: do not create include/linux directory Makefile: Fix unrecognized cross-compiler command line options kbuild: do not add "selinux" to subdir- twice um: Fix for relative objtree when generating x86 headers kbuild: Use relative path when building in a subdir of the source tree kbuild: Use relative path when building in the source tree kbuild: Use relative path for $(objtree) firmware: Use $(quote) in the Makefile firmware: Simplify directory creation kbuild: trivial - fix comment block indent kbuild: trivial - remove trailing spaces kbuild: support simultaneous "make %config" and "make all" kbuild: move extra gcc checks to scripts/Makefile.extrawarn
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-traceLinus Torvalds authored
Pull tracing cleanups and bugfixes from Steven Rostedt: "One bug fix that goes back to 3.10. Accessing a non existent buffer if "possible cpus" is greater than actual CPUs (including offline CPUs). Namhyung Kim did some reviews of the patches I sent this merge window and found a memory leak and had a few clean ups" * tag 'trace-3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Fix check of ftrace_trace_arrays list_empty() check tracing: Fix leak of per cpu max data in instances tracing: Cleanup saved_cmdlines_size changes ring-buffer: Check if buffer exists before polling
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpcLinus Torvalds authored
Pull more powerpc updates from Ben Herrenschmidt: "Here are the remaining bits I was mentioning earlier. Mostly bug fixes and new selftests from Michael (yay !). He also removed the WSP platform and A2 core support which were dead before release, so less clutter. One little "feature" I snuck in is the doorbell IPI support for non-virtualized P8 which speeds up IPIs significantly between threads of a core" * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (34 commits) powerpc/book3s: Fix some ABIv2 issues in machine check code powerpc/book3s: Fix guest MC delivery mechanism to avoid soft lockups in guest. powerpc/book3s: Increment the mce counter during machine_check_early call. powerpc/book3s: Add stack overflow check in machine check handler. powerpc/book3s: Fix machine check handling for unhandled errors powerpc/eeh: Dump PE location code powerpc/powernv: Enable POWER8 doorbell IPIs powerpc/cpuidle: Only clear LPCR decrementer wakeup bit on fast sleep entry powerpc/powernv: Fix killed EEH event powerpc: fix typo 'CONFIG_PMAC' powerpc: fix typo 'CONFIG_PPC_CPU' powerpc/powernv: Don't escalate non-existing frozen PE powerpc/eeh: Report frozen parent PE prior to child PE powerpc/eeh: Clear frozen state for child PE powerpc/powernv: Reduce panic timeout from 180s to 10s powerpc/xmon: avoid format string leaking to printk selftests/powerpc: Add tests of PMU EBBs selftests/powerpc: Add support for skipping tests selftests/powerpc: Put the test in a separate process group selftests/powerpc: Fix instruction loop for ABIv2 (LE) ...
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Linus Torvalds authored
Merge tag 'blackfin-for-linus' of http://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux Pull blackfin updates from Steven Miao. * tag 'blackfin-for-linus' of http://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux: blackfin: defconfigs: add MTD_SPI_NOR (new dependency for M25P80) Revert "blackfin: dma: current count mmr is read only" bf533: fix build error: add linux/gpio.h
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 irq fixes from Ingo Molnar: "Two changes: a cpu-hotplug/irq race fix, plus a HyperV related fix" * 'x86-irq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/irq: Fix fixup_irqs() error handling x86, irq, pic: Probe for legacy PIC and set legacy_pic appropriately
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull more scheduler updates from Ingo Molnar: "Second round of scheduler changes: - try-to-wakeup and IPI reduction speedups, from Andy Lutomirski - continued power scheduling cleanups and refactorings, from Nicolas Pitre - misc fixes and enhancements" * 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/deadline: Delete extraneous extern for to_ratio() sched/idle: Optimize try-to-wake-up IPI sched/idle: Simplify wake_up_idle_cpu() sched/idle: Clear polling before descheduling the idle thread sched, trace: Add a tracepoint for IPI-less remote wakeups cpuidle: Set polling in poll_idle sched: Remove redundant assignment to "rt_rq" in update_curr_rt(...) sched: Rename capacity related flags sched: Final power vs. capacity cleanups sched: Remove remaining dubious usage of "power" sched: Let 'struct sched_group_power' care about CPU capacity sched/fair: Disambiguate existing/remaining "capacity" usage sched/fair: Change "has_capacity" to "has_free_capacity" sched/fair: Remove "power" from 'struct numa_stats' sched: Fix signedness bug in yield_to() sched/fair: Use time_after() in record_wakee() sched/balancing: Reduce the rate of needless idle load balancing sched/fair: Fix unlocked reads of some cfs_b->quota/period
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull more perf updates from Ingo Molnar: "A second round of perf updates: - wide reaching kprobes sanitization and robustization, with the hope of fixing all 'probe this function crashes the kernel' bugs, by Masami Hiramatsu. - uprobes updates from Oleg Nesterov: tmpfs support, corner case fixes and robustization work. - perf tooling updates and fixes from Jiri Olsa, Namhyung Ki, Arnaldo et al: * Add support to accumulate hist periods (Namhyung Kim) * various fixes, refactorings and enhancements" * 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (101 commits) perf: Differentiate exec() and non-exec() comm events perf: Fix perf_event_comm() vs. exec() assumption uprobes/x86: Rename arch_uprobe->def to ->defparam, minor comment updates perf/documentation: Add description for conditional branch filter perf/x86: Add conditional branch filtering support perf/tool: Add conditional branch filter 'cond' to perf record perf: Add new conditional branch filter 'PERF_SAMPLE_BRANCH_COND' uprobes: Teach copy_insn() to support tmpfs uprobes: Shift ->readpage check from __copy_insn() to uprobe_register() perf/x86: Use common PMU interrupt disabled code perf/ARM: Use common PMU interrupt disabled code perf: Disable sampled events if no PMU interrupt perf: Fix use after free in perf_remove_from_context() perf tools: Fix 'make help' message error perf record: Fix poll return value propagation perf tools: Move elide bool into perf_hpp_fmt struct perf tools: Remove elide setup for SORT_MODE__MEMORY mode perf tools: Fix "==" into "=" in ui_browser__warning assignment perf tools: Allow overriding sysfs and proc finding with env var perf tools: Consider header files outside perf directory in tags target ...
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Andy Lutomirski authored
The Go runtime has a buggy vDSO parser that currently segfaults. This writes an empty SHT_DYNSYM entry that causes Go's runtime to malfunction by thinking that the vDSO is empty rather than malfunctioning by running off the end and segfaulting. This affects x86-64 only as far as we know, so we do not need this for the i386 and x32 vdsos. Signed-off-by:
Andy Lutomirski <luto@amacapital.net> Link: http://lkml.kernel.org/r/d10618176c4bd39b457a5e85c497295c90cab1bc.1402620737.git.luto@amacapital.netSigned-off-by:
H. Peter Anvin <hpa@zytor.com>
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Andy Lutomirski authored
Add PUT_LE() by analogy with GET_LE() to write littleendian values in addition to reading them. Signed-off-by:
Andy Lutomirski <luto@amacapital.net> Link: http://lkml.kernel.org/r/3d9b27e92745b27b6fda1b9a98f70dc9c1246c7a.1402620737.git.luto@amacapital.netSigned-off-by:
H. Peter Anvin <hpa@zytor.com>
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Andy Lutomirski authored
This adds a new vdso_test.c that's written entirely in C. It also makes all of the vDSO examples work on 32-bit x86. Cc: Stefani Seibold <stefani@seibold.net> Signed-off-by:
Andy Lutomirski <luto@amacapital.net> Link: http://lkml.kernel.org/r/62b701fc44b79f118ac2b2d64d19965fc5c291fb.1402620737.git.luto@amacapital.netSigned-off-by:
H. Peter Anvin <hpa@zytor.com>
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Andy Lutomirski authored
This thing is hopelessly x86_64-specific: it's an example of how to access the vDSO without any runtime support at all. Signed-off-by:
Andy Lutomirski <luto@amacapital.net> Link: http://lkml.kernel.org/r/3efc170e0e166e15f0150c9fdb37d52488b9c0a4.1402620737.git.luto@amacapital.netSigned-off-by:
H. Peter Anvin <hpa@zytor.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull more locking changes from Ingo Molnar: "This is the second round of locking tree updates for v3.16, offering large system scalability improvements: - optimistic spinning for rwsems, from Davidlohr Bueso. - 'qrwlocks' core code and x86 enablement, from Waiman Long and PeterZ" * 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, locking/rwlocks: Enable qrwlocks on x86 locking/rwlocks: Introduce 'qrwlocks' - fair, queued rwlocks locking/mutexes: Documentation update/rewrite locking/rwsem: Fix checkpatch.pl warnings locking/rwsem: Fix warnings for CONFIG_RWSEM_GENERIC_SPINLOCK locking/rwsem: Support optimistic spinning
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- 12 Jun, 2014 14 commits
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Dmitry Kasatkin authored
Commit 8aac6270 "move exit_task_namespaces() outside of exit_notify" introduced the kernel opps since the kernel v3.10, which happens when Apparmor and IMA-appraisal are enabled at the same time. ---------------------------------------------------------------------- [ 106.750167] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 [ 106.750221] IP: [<ffffffff811ec7da>] our_mnt+0x1a/0x30 [ 106.750241] PGD 0 [ 106.750254] Oops: 0000 [#1] SMP [ 106.750272] Modules linked in: cuse parport_pc ppdev bnep rfcomm bluetooth rpcsec_gss_krb5 nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache dm_crypt intel_rapl x86_pkg_temp_thermal intel_powerclamp kvm_intel snd_hda_codec_hdmi kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 glue_helper lrw gf128mul ablk_helper cryptd snd_hda_codec_realtek dcdbas snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event snd_rawmidi psmouse snd_seq microcode serio_raw snd_timer snd_seq_device snd soundcore video lpc_ich coretemp mac_hid lp parport mei_me mei nbd hid_generic e1000e usbhid ahci ptp hid libahci pps_core [ 106.750658] CPU: 6 PID: 1394 Comm: mysqld Not tainted 3.13.0-rc7-kds+ #15 [ 106.750673] Hardware name: Dell Inc. OptiPlex 9010/0M9KCM, BIOS A08 09/19/2012 [ 106.750689] task: ffff8800de804920 ti: ffff880400fca000 task.ti: ffff880400fca000 [ 106.750704] RIP: 0010:[<ffffffff811ec7da>] [<ffffffff811ec7da>] our_mnt+0x1a/0x30 [ 106.750725] RSP: 0018:ffff880400fcba60 EFLAGS: 00010286 [ 106.750738] RAX: 0000000000000000 RBX: 0000000000000100 RCX: ffff8800d51523e7 [ 106.750764] RDX: ffffffffffffffea RSI: ffff880400fcba34 RDI: ffff880402d20020 [ 106.750791] RBP: ffff880400fcbae0 R08: 0000000000000000 R09: 0000000000000001 [ 106.750817] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8800d5152300 [ 106.750844] R13: ffff8803eb8df510 R14: ffff880400fcbb28 R15: ffff8800d51523e7 [ 106.750871] FS: 0000000000000000(0000) GS:ffff88040d200000(0000) knlGS:0000000000000000 [ 106.750910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 106.750935] CR2: 0000000000000018 CR3: 0000000001c0e000 CR4: 00000000001407e0 [ 106.750962] Stack: [ 106.750981] ffffffff813434eb ffff880400fcbb20 ffff880400fcbb18 0000000000000000 [ 106.751037] ffff8800de804920 ffffffff8101b9b9 0001800000000000 0000000000000100 [ 106.751093] 0000010000000000 0000000000000002 000000000000000e ffff8803eb8df500 [ 106.751149] Call Trace: [ 106.751172] [<ffffffff813434eb>] ? aa_path_name+0x2ab/0x430 [ 106.751199] [<ffffffff8101b9b9>] ? sched_clock+0x9/0x10 [ 106.751225] [<ffffffff8134a68d>] aa_path_perm+0x7d/0x170 [ 106.751250] [<ffffffff8101b945>] ? native_sched_clock+0x15/0x80 [ 106.751276] [<ffffffff8134aa73>] aa_file_perm+0x33/0x40 [ 106.751301] [<ffffffff81348c5e>] common_file_perm+0x8e/0xb0 [ 106.751327] [<ffffffff81348d78>] apparmor_file_permission+0x18/0x20 [ 106.751355] [<ffffffff8130c853>] security_file_permission+0x23/0xa0 [ 106.751382] [<ffffffff811c77a2>] rw_verify_area+0x52/0xe0 [ 106.751407] [<ffffffff811c789d>] vfs_read+0x6d/0x170 [ 106.751432] [<ffffffff811cda31>] kernel_read+0x41/0x60 [ 106.751457] [<ffffffff8134fd45>] ima_calc_file_hash+0x225/0x280 [ 106.751483] [<ffffffff8134fb52>] ? ima_calc_file_hash+0x32/0x280 [ 106.751509] [<ffffffff8135022d>] ima_collect_measurement+0x9d/0x160 [ 106.751536] [<ffffffff810b552d>] ? trace_hardirqs_on+0xd/0x10 [ 106.751562] [<ffffffff8134f07c>] ? ima_file_free+0x6c/0xd0 [ 106.751587] [<ffffffff81352824>] ima_update_xattr+0x34/0x60 [ 106.751612] [<ffffffff8134f0d0>] ima_file_free+0xc0/0xd0 [ 106.751637] [<ffffffff811c9635>] __fput+0xd5/0x300 [ 106.751662] [<ffffffff811c98ae>] ____fput+0xe/0x10 [ 106.751687] [<ffffffff81086774>] task_work_run+0xc4/0xe0 [ 106.751712] [<ffffffff81066fad>] do_exit+0x2bd/0xa90 [ 106.751738] [<ffffffff8173c958>] ? retint_swapgs+0x13/0x1b [ 106.751763] [<ffffffff8106780c>] do_group_exit+0x4c/0xc0 [ 106.751788] [<ffffffff81067894>] SyS_exit_group+0x14/0x20 [ 106.751814] [<ffffffff8174522d>] system_call_fastpath+0x1a/0x1f [ 106.751839] Code: c3 0f 1f 44 00 00 55 48 89 e5 e8 22 fe ff ff 5d c3 0f 1f 44 00 00 55 65 48 8b 04 25 c0 c9 00 00 48 8b 80 28 06 00 00 48 89 e5 5d <48> 8b 40 18 48 39 87 c0 00 00 00 0f 94 c0 c3 0f 1f 80 00 00 00 [ 106.752185] RIP [<ffffffff811ec7da>] our_mnt+0x1a/0x30 [ 106.752214] RSP <ffff880400fcba60> [ 106.752236] CR2: 0000000000000018 [ 106.752258] ---[ end trace 3c520748b4732721 ]--- ---------------------------------------------------------------------- The reason for the oops is that IMA-appraisal uses "kernel_read()" when file is closed. kernel_read() honors LSM security hook which calls Apparmor handler, which uses current->nsproxy->mnt_ns. The 'guilty' commit changed the order of cleanup code so that nsproxy->mnt_ns was not already available for Apparmor. Discussion about the issue with Al Viro and Eric W. Biederman suggested that kernel_read() is too high-level for IMA. Another issue, except security checking, that was identified is mandatory locking. kernel_read honors it as well and it might prevent IMA from calculating necessary hash. It was suggested to use simplified version of the function without security and locking checks. This patch introduces special version ima_kernel_read(), which skips security and mandatory locking checking. It prevents the kernel oops to happen. Signed-off-by:
Dmitry Kasatkin <d.kasatkin@samsung.com> Suggested-by:
Eric W. Biederman <ebiederm@xmission.com> Signed-off-by:
Mimi Zohar <zohar@linux.vnet.ibm.com> Cc: <stable@vger.kernel.org>
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Mimi Zohar authored
Calculating the 'security.evm' HMAC value requires access to the EVM encrypted key. Only the kernel should have access to it. This patch prevents userspace tools(eg. setfattr, cp --preserve=xattr) from setting/modifying the 'security.evm' HMAC value directly. Signed-off-by:
Mimi Zohar <zohar@linux.vnet.ibm.com> Cc: <stable@vger.kernel.org>
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Dmitry Kasatkin authored
When IMA did not support ima-appraisal, existance of the S_IMA flag clearly indicated that the file was measured. With IMA appraisal S_IMA flag indicates that file was measured and/or appraised. Because of this, when measurement is not enabled by the policy, violations are still reported. To differentiate between measurement and appraisal policies this patch checks the inode integrity cache flags. The IMA_MEASURED flag indicates whether the file was actually measured, while the IMA_MEASURE flag indicates whether the file should be measured. Unfortunately, the IMA_MEASURED flag is reset to indicate the file needs to be re-measured. Thus, this patch checks the IMA_MEASURE flag. This patch limits the false positive violation reports, but does not fix it entirely. The IMA_MEASURE/IMA_MEASURED flags are indications that, at some point in time, the file opened for read was in policy, but might not be in policy now (eg. different uid). Other changes would be needed to further limit false positive violation reports. Changelog: - expanded patch description based on conversation with Roberto (Mimi) Signed-off-by:
Dmitry Kasatkin <d.kasatkin@samsung.com> Signed-off-by:
Mimi Zohar <zohar@linux.vnet.ibm.com>
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Dmitry Kasatkin authored
ima_rdwr_violation_check is called for every file openning. The function checks the policy even when violation condition is not met. It causes unnecessary policy checking. This patch does policy checking only if violation condition is met. Changelog: - check writecount is greater than zero (Mimi) Signed-off-by:
Dmitry Kasatkin <d.kasatkin@samsung.com> Signed-off-by:
Mimi Zohar <zohar@linux.vnet.ibm.com>
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Dmitry Kasatkin authored
Newer versions of SMACK introduced following security xattrs: SMACK64EXEC, SMACK64TRANSMUTE and SMACK64MMAP. To protect these xattrs, this patch includes them in the HMAC calculation. However, for backwards compatibility with existing labeled filesystems, including these xattrs needs to be configurable. Changelog: - Add SMACK dependency on new option (Mimi) Signed-off-by:
Dmitry Kasatkin <d.kasatkin@samsung.com> Signed-off-by:
Mimi Zohar <zohar@linux.vnet.ibm.com>
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Dmitry Kasatkin authored
Using HMAC version limits the posibility to arbitrarily add new attributes such as SMACK64EXEC to the hmac calculation. This patch replaces hmac version with attribute mask. Desired attributes can be enabled with configuration parameter. It allows to build kernels which works with previously labeled filesystems. Currently supported attribute is 'fsuuid' which is equivalent of the former version 2. Signed-off-by:
Dmitry Kasatkin <d.kasatkin@samsung.com> Signed-off-by:
Mimi Zohar <zohar@linux.vnet.ibm.com>
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Mimi Zohar authored
Even though a new xattr will only be appraised on the next access, set the DIGSIG flag to prevent a signature from being replaced with a hash on file close. Signed-off-by:
Mimi Zohar <zohar@linux.vnet.ibm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds authored
Pull networking updates from David Miller: 1) Seccomp BPF filters can now be JIT'd, from Alexei Starovoitov. 2) Multiqueue support in xen-netback and xen-netfront, from Andrew J Benniston. 3) Allow tweaking of aggregation settings in cdc_ncm driver, from Bjørn Mork. 4) BPF now has a "random" opcode, from Chema Gonzalez. 5) Add more BPF documentation and improve test framework, from Daniel Borkmann. 6) Support TCP fastopen over ipv6, from Daniel Lee. 7) Add software TSO helper functions and use them to support software TSO in mvneta and mv643xx_eth drivers. From Ezequiel Garcia. 8) Support software TSO in fec driver too, from Nimrod Andy. 9) Add Broadcom SYSTEMPORT driver, from Florian Fainelli. 10) Handle broadcasts more gracefully over macvlan when there are large numbers of interfaces configured, from Herbert Xu. 11) Allow more control over fwmark used for non-socket based responses, from Lorenzo Colitti. 12) Do TCP congestion window limiting based upon measurements, from Neal Cardwell. 13) Support busy polling in SCTP, from Neal Horman. 14) Allow RSS key to be configured via ethtool, from Venkata Duvvuru. 15) Bridge promisc mode handling improvements from Vlad Yasevich. 16) Don't use inetpeer entries to implement ID generation any more, it performs poorly, from Eric Dumazet. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1522 commits) rtnetlink: fix userspace API breakage for iproute2 < v3.9.0 tcp: fixing TLP's FIN recovery net: fec: Add software TSO support net: fec: Add Scatter/gather support net: fec: Increase buffer descriptor entry number net: fec: Factorize feature setting net: fec: Enable IP header hardware checksum net: fec: Factorize the .xmit transmit function bridge: fix compile error when compiling without IPv6 support bridge: fix smatch warning / potential null pointer dereference via-rhine: fix full-duplex with autoneg disable bnx2x: Enlarge the dorq threshold for VFs bnx2x: Check for UNDI in uncommon branch bnx2x: Fix 1G-baseT link bnx2x: Fix link for KR with swapped polarity lane sctp: Fix sk_ack_backlog wrap-around problem net/core: Add VF link state control policy net/fsl: xgmac_mdio is dependent on OF_MDIO net/fsl: Make xgmac_mdio read error message useful net_sched: drr: warn when qdisc is not work conserving ...
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dmLinus Torvalds authored
Pull device mapper updates from Mike Snitzer: "This pull request is later than I'd have liked because I was waiting for some performance data to help finally justify sending the long-standing dm-crypt cpu scalability improvements upstream. Unfortunately we came up short, so those dm-crypt changes will continue to wait, but it seems we're not far off. . Add dm_accept_partial_bio interface to DM core to allow DM targets to only process a portion of a bio, the remainder being sent in the next bio. This enables the old dm snapshot-origin target to only split write bios on chunk boundaries, read bios are now sent to the origin device unchanged. . Add DM core support for disabling WRITE SAME if the underlying SCSI layer disables it due to command failure. . Reduce lock contention in DM's bio-prison. . A few small cleanups and fixes to dm-thin and dm-era" * tag 'dm-3.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm thin: update discard_granularity to reflect the thin-pool blocksize dm bio prison: implement per bucket locking in the dm_bio_prison hash table dm: remove symbol export for dm_set_device_limits dm: disable WRITE SAME if it fails dm era: check for a non-NULL metadata object before closing it dm thin: return ENOSPC instead of EIO when error_if_no_space enabled dm thin: cleanup noflush_work to use a proper completion dm snapshot: do not split read bios sent to snapshot-origin target dm snapshot: allocate a per-target structure for snapshot-origin target dm: introduce dm_accept_partial_bio dm: change sector_count member in clone_info from sector_t to unsigned
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pciLinus Torvalds authored
Pull more PCI updates from Bjorn Helgaas: "Here are some more things I'd like to see in v3.16-rc1: - DMA alias iterator, part of some work to fix IOMMU issues - MVEBU, Tegra, DesignWare changes that I forgot to include before - Some whitespace code cleanup Details: IOMMU - Add DMA alias iterator (Alex Williamson) - Add DMA alias quirks for ASMedia, ITE, Tundra bridges (Alex Williamson) - Add DMA alias quirks for Marvell, Ricoh devices (Alex Williamson) - Add DMA alias quirk for HighPoint devices (Jérôme Carretero) MSI - Fix leak in free_msi_irqs() (Alexei Starovoitov) Marvell MVEBU - Remove unnecessary use of 'conf_lock' spinlock (Andrew Murray) - Avoid setting an undefined window size (Jason Gunthorpe) - Allow several windows with the same target/attribute (Thomas Petazzoni) - Split PCIe BARs into multiple MBus windows when needed (Thomas Petazzoni) - Fix off-by-one in the computed size of the mbus windows (Willy Tarreau) NVIDIA Tegra - Use new OF interrupt mapping when possible (Lucas Stach) Synopsys DesignWare - Remove unnecessary use of 'conf_lock' spinlock (Andrew Murray) - Use new OF interrupt mapping when possible (Lucas Stach) - Split Exynos and i.MX bindings (Lucas Stach) - Fix comment for setting number of lanes (Mohit Kumar) - Fix iATU programming for cfg1, io and mem viewport (Mohit Kumar) Miscellaneous - EXPORT_SYMBOL cleanup (Ryan Desfosses) - Whitespace cleanup (Ryan Desfosses) - Merge multi-line quoted strings (Ryan Desfosses)" * tag 'pci-v3.16-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (21 commits) PCI: Add function 1 DMA alias quirk for HighPoint RocketRaid 642L PCI/MSI: Fix memory leak in free_msi_irqs() PCI: Merge multi-line quoted strings PCI: Whitespace cleanup PCI: Move EXPORT_SYMBOL so it immediately follows function/variable PCI: Add bridge DMA alias quirk for ITE bridge PCI: designware: Split Exynos and i.MX bindings PCI: Add bridge DMA alias quirk for ASMedia and Tundra bridges PCI: Add support for PCIe-to-PCI bridge DMA alias quirks PCI: Add function 1 DMA alias quirk for Marvell devices PCI: Add function 0 DMA alias quirk for Ricoh devices PCI: Add support for DMA alias quirks PCI: Convert pci_dev_flags definitions to bit shifts PCI: Add DMA alias iterator PCI: mvebu: Use '%pa' for printing 'phys_addr_t' type PCI: mvebu: Remove unnecessary use of 'conf_lock' spinlock PCI: designware: Remove unnecessary use of 'conf_lock' spinlock PCI: designware: Use new OF interrupt mapping when possible PCI: designware: Fix iATU programming for cfg1, io and mem viewport PCI: designware: Fix comment for setting number of lanes ...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull more ACPI and power management updates from Rafael Wysocki: "These are fixups on top of the previous PM+ACPI pull request, regression fixes (ACPI hotplug, cpufreq ppc-corenet), other bug fixes (ACPI reset, cpufreq), new PM trace points for system suspend profiling and a copyright notice update. Specifics: - I didn't remember correctly that the Hans de Goede's ACPI video patches actually didn't flip the video.use_native_backlight default, although we had discussed that and decided to do that. Since I said we would do that in the previous PM+ACPI pull request, make that change for real now. - ACPI bus check notifications for PCI host bridges don't cause the bus below the host bridge to be checked for changes as they should because of a mistake in the ACPI-based PCI hotplug (ACPIPHP) subsystem that forgets to add hotplug contexts to PCI host bridge ACPI device objects. Create hotplug contexts for PCI host bridges too as appropriate. - Revert recent cpufreq commit related to the big.LITTLE cpufreq driver that breaks arm64 builds. - Fix for a regression in the ppc-corenet cpufreq driver introduced during the 3.15 cycle and causing the driver to use the remainder from do_div instead of the quotient. From Ed Swarthout. - Resets triggered by panic activate a BUG_ON() in vmalloc.c on systems where the ACPI reset register is located in memory address space. Fix from Randy Wright. - Fix for a problem with cpufreq governors that decisions made by them may be suboptimal due to the fact that deferrable timers are used by them for CPU load sampling. From Srivatsa S Bhat. - Fix for a problem with the Tegra cpufreq driver where the CPU frequency is temporarily switched to a "stable" level that is different from both the initial and target frequencies during transitions which causes udelay() to expire earlier than it should sometimes. From Viresh Kumar. - New trace points and rework of some existing trace points for system suspend/resume profiling from Todd Brandt. - Assorted cpufreq fixes and cleanups from Stratos Karafotis and Viresh Kumar. - Copyright notice update for suspend-and-cpuhotplug.txt from Srivatsa S Bhat" * tag 'pm+acpi-3.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI / hotplug / PCI: Add hotplug contexts to PCI host bridges PM / sleep: trace events for device PM callbacks cpufreq: cpufreq-cpu0: remove dependency on THERMAL and REGULATOR cpufreq: tegra: update comment for clarity cpufreq: intel_pstate: Remove duplicate CPU ID check cpufreq: Mark CPU0 driver with CPUFREQ_NEED_INITIAL_FREQ_CHECK flag PM / Documentation: Update copyright in suspend-and-cpuhotplug.txt cpufreq: governor: remove copy_prev_load from 'struct cpu_dbs_common_info' cpufreq: governor: Be friendly towards latency-sensitive bursty workloads PM / sleep: trace events for suspend/resume cpufreq: ppc-corenet-cpu-freq: do_div use quotient Revert "cpufreq: Enable big.LITTLE cpufreq driver on arm64" cpufreq: Tegra: implement intermediate frequency callbacks cpufreq: add support for intermediate (stable) frequencies ACPI / video: Change the default for video.use_native_backlight to 1 ACPI: Fix bug when ACPI reset register is implemented in system memory
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git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-ledsLinus Torvalds authored
Pull LED updates from Bryan Wu: "I just found merge window is open and I'm quite busy and almost forget to send out this pull request. Thanks Russell and Alexandre ping me about this. So basically we got some clean up and leds-pwm fixing patches from Russell" * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds: leds: Remove duplicated OOM message for individual driver drivers/leds: Replace __get_cpu_var use through this_cpu_ptr leds: lp55xx: add DT bindings for LP55231 leds: 88pm860x: Fix missing refcount decrement for parent of_node leds: 88pm860x: Use of_get_child_by_name leds: leds-pwm: add DT support for LEDs wired to supply leds: leds-pwm: implement PWM inversion leds: leds-pwm: convert OF parsing code to use led_pwm_add() leds: leds-pwm: provide a common function to setup a single led-pwm device leds: pca9685: Remove leds-pca9685 driver dell-led: add mic mute led interface
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlightLinus Torvalds authored
Pull backlight fixes from Lee Jones: "This merely contains some very basic build/run-time bug fixes" * tag 'backlight-for-linus-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight: backlight: gpio-backlight: Fix warning when the GPIO is on a I2C chip video/backlight: s6e63m0: Fix string type mismatch video/backlight: LP8788 needs PWM video/backlight: LP855X needs PWM video/pxa: LCD_CORGI needs BACKLIGHT_CLASS_DEVICE video/backlight: LM3630A needs PWM
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Nicholas Bellinger authored
This patch fixes a NULL pointer dereference regression bug that was introduced with: commit 1e1110c4 Author: Mikulas Patocka <mpatocka@redhat.com> Date: Sat May 17 06:49:22 2014 -0400 target: fix memory leak on XCOPY Now that target_put_sess_cmd() -> kref_put_spinlock_irqsave() is called with a valid se_cmd->cmd_kref, a NULL pointer dereference is triggered because the XCOPY passthrough commands don't have an associated se_session pointer. To address this bug, go ahead and checking for a NULL se_sess pointer within target_put_sess_cmd(), and call se_cmd->se_tfo->release_cmd() to release the XCOPY's xcopy_pt_cmd memory. Reported-by:
Thomas Glanzmann <thomas@glanzmann.de> Cc: Thomas Glanzmann <thomas@glanzmann.de> Cc: Mikulas Patocka <mpatocka@redhat.com> Cc: stable@vger.kernel.org # 3.12+ Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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